Eppcraft

Electronics Packaging

EPP Electronics Protective Packaging Molds

Fine-tolerance EPP molds for laptop cradles, server trays, medical device inserts, and consumer electronics packaging.

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±0.05 mm

Cavity Tolerance

7075 / 6061

Aluminum Grade

15–60 g/L

EPP Density Range

25–40 Days

Lead Time

EPP electronics packaging mold precision

Tight Tolerances for Fragile Electronics

Electronics packaging requires EPP inserts that hold dimension across density grades and temperature cycles. A cavity that drifts by 0.2 mm can cause a laptop corner to crack or a server drive tray to rattle. Our molds are held to ±0.05 mm cavity tolerance to eliminate these failures.

PTFE clean-release coating ensures EPP parts release without surface contamination — critical for consumer electronics packaging where cosmetic appearance matters.

  • 7075-T6 or 6061-T6 based on part complexity and cycle volume
  • PTFE clean-release for cosmetically sensitive applications
  • ±0.05 mm tolerance maintained across full cavity area
  • EPP density range 15–60 g/L supported
  • 5-document package includes density-specific process parameters

Mold Details

Electronics packaging cavity

Electronics packaging cavity

Precision insert machining

Precision insert machining

CMM dimensional verification

CMM dimensional verification

Technical Specifications

Material 7075-T6 or 6061-T6 aluminum
Cavity tolerance ±0.05 mm
EPP density range 15–60 g/L
Release coating DAIKIN PTFE 30–50 μm
Lead time 25–40 days from approved DFM
Documentation Density-specific process parameters in molding report

5 Documents Included with Every Mold

  1. 1 DFM Analysis Report — draft angles, wall thickness, fill-gun layout
  2. 2 Shrinkage Calculation Sheet — EPP grade vs. compensated dimension table
  3. 3 Steam Port Mapping — diagram of all inlet, outlet, and drain positions
  4. 4 Test-Shot Data Sheet — first-article dimensions vs. nominal, signed off
  5. 5 Final Inspection Report — CMM measurement report with traceable calibration

Designing an EPP electronics packaging mold?

Send your product drawing and density spec. We return a DFM review in 48 hours.

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